Top cover for a battery charger



FIG. 1 is a front isometric view showing our new design;

FIG. 2 is a front elevational view showing our new design;

FIG. 3 is a rear elevational view showing our new design;

FIG. 4 is a right side elevational view showing our new design, thereof; and,

FIG. 5 is a top plan view showing our new design.

The broken lines shown in FIGS. 1 and 5 are included for the purpose of illustrating environmental elements only and form no part of the claimed design. 

The ornamental design for a top cover for a battery charger, as shown and described. 